import React, { Component, useEffect, useReducer } from 'react';



const AppApi = {}
class App extends Component {
  state = {
    title: 'aa'
  }
  componentDidMount() {
    AppApi.instance = this
  }
  componentDidUpdate() {
  }
  render() {
    return (
      <div className=''>
          <button>导入</button>
      </div>
    );
  }
}

export default App;



